*{margin: 0;padding: 0;}
@fontFamily:'PingFangSC-Regular';
//清除input默认选中的状态
input{outline:none} 
.left{float:left;}
.right{float: right;}
.clear-float{
    zoom: 1;
    &:after {
        clear:both;
        content:'';
        display:block;
        width: 0;
        height: 0;
        visibility:hidden;
    }
}
.container-all{
    font-family: fontFamily;
    background: #f2f2f2;
    min-height: 100vh;   
}